package com.example.certificate.annoatiton;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Target(ElementType.PARAMETER)          // 可用在方法的参数上
@Retention(RetentionPolicy.RUNTIME)     // 运行时有效
public @interface CurrentUser { }
